<!DOCTYPE html>
<html lang="zh-cn">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
    <title>Document</title>
    <style>
    body {
        font-family: "微软雅黑";
    }
    
    .circle {
        width: 200px;
        height: 200px;
        position: absolute;
        border-radius: 50%;
        background: #0cc;
    }
    
    .pie_left,
    .pie_right {
        width: 200px;
        height: 200px;
        position: absolute;
        top: 0;
        left: 0;
    }
    
    .left,
    .right {
        width: 200px;
        height: 200px;
        background: #00aacc;
        border-radius: 50%;
        position: absolute;
        top: 0;
        left: 0;
    }
    
    .pie_right,
    .right {
        clip: rect(0, auto, auto, 100px);
    }
    
    .pie_left,
    .left {
        clip: rect(0, 100px, auto, 0);
    }
    
    .mask {
        width: 150px;
        height: 150px;
        border-radius: 50%;
        left: 25px;
        top: 25px;
        background: #FFF;
        position: absolute;
        text-align: center;
        line-height: 150px;
        font-size: 20px;
        font-weight: bold;
        color: #00aacc;
    }
    </style>
</head>

<body>
    <h1>jquery圆环百分比进度条制作</h1>
    <p><a href="http://caibaojian.com/jquery-circular-progress.html">来源</a></p>
    <div class="circle" style="left:0">
        <div class="pie_left">
            <div class="left"></div>
        </div>
        <div class="pie_right">
            <div class="right"></div>
        </div>
        <div class="mask"><span>0</span>%</div>
    </div>
    <div class="circle" style="left:220px">
        <div class="pie_left">
            <div class="left"></div>
        </div>
        <div class="pie_right">
            <div class="right"></div>
        </div>
        <div class="mask"><span>15</span>%</div>
    </div>
    <div class="circle" style="left:440px">
        <div class="pie_left">
            <div class="left"></div>
        </div>
        <div class="pie_right">
            <div class="right"></div>
        </div>
        <div class="mask"><span>30</span>%</div>
    </div>
    <div class="circle" style="left:660px">
        <div class="pie_left">
            <div class="left"></div>
        </div>
        <div class="pie_right">
            <div class="right"></div>
        </div>
        <div class="mask"><span>60</span>%</div>
    </div>
    <div class="circle" style="left:880px">
        <div class="pie_left">
            <div class="left"></div>
        </div>
        <div class="pie_right">
            <div class="right"></div>
        </div>
        <div class="mask"><span>90</span>%</div>
    </div>
    <script src="http://cdn.bootcss.com/jquery/1.10.2/jquery.min.js"></script>
    <script>
    $(function() {
        $('.circle').each(function(index, el) {
            var num = $(this).find('span').text() * 3.6;
            if (num <= 180) {
                $(this).find('.right').css('transform', "rotate(" + num + "deg)");
            } else {
                $(this).find('.right').css('transform', "rotate(180deg)");
                $(this).find('.left').css('transform', "rotate(" + (num - 180) + "deg)");
            };
        });

    });
    </script>
</body>

</html>
